dwarf_get_address_size.3

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.\" $Id: dwarf_get_address_size.3 2071 2011-10-27 03:20:00Z jkoshy $
.\"
.Dd April 14, 2010
.Os
.Dt DWARF_GET_ADDRESS_SIZE 3
.Sh NAME
.Nm dwarf_get_address_size
.Nd return the number of bytes needed to represent an address
.Sh LIBRARY
.Lb libdwarf
.Sh SYNOPSIS
.In libdwarf.h
.Ft int
.Fo dwarf_get_address_size
.Fa "Dwarf_Debug dbg"
.Fa "Dwarf_Half *addr_size"
.Fa "Dwarf_Error *err"
.Fc
.Sh DESCRIPTION
Function
.Fn dwarf_get_address_size
returns the size in bytes of a native address for a program object.
.Pp
Argument
.Ar dbg
should denote a DWARF debug context created from a program object using
.Xr dwarf_init 3 .
Argument
.Ar addr_size
should point to a location that will hold the returned size.
Argument
.Ar err ,
if non-NULL, it will be used to return error information.
.Sh RETURN VALUES
On success, function
.Fn dwarf_tag
returns
.Dv DW_DLV_OK .
In case of an error, it returns
.Dv DW_DLV_ERROR
and sets argument
.Ar err .
.Sh ERRORS
Function
.Fn dwarf_get_address_size
can fail with the following error:
.Bl -tag -width ".Bq Er DW_DLE_ARGUMENT"
.It Bq Er DW_DLE_ARGUMENT
Either of arguments
.Ar dbg
or
.Ar addr_size
was NULL.
.El
.Sh SEE ALSO
.Xr dwarf 3 ,
.Xr dwarf_init 3 ,
.Xr dwarf_finish 3